Thiol-PEG4-Azide CAS:2720615-82-5 is a small molecule linker that contains three functional groups: a thiol group, a PEG (polyethylene glycol) chain, and an azide group. The thiol group is a sulfur-containing functional group that can react with other molecules that contain certain reactive groups, such as maleimide or iodoacetamide, to form stable thioether linkages. The PEG chain is a flexible polymer that can improve the solubility, stability, and biocompatibility of the linker. The azide group is a highly reactive functional group that can react with alkyne or cyclooctyne groups to form stable triazole linkages, which can be used to attach the linker to other molecules. Thiol-PEG4-Azide is commonly used in bioconjugation and drug delivery applications, where it can be used to modify the surface of drugs or nanoparticles, enabling targeted delivery to specific cells or tissues.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.